Toaru Majutsu no Index SS - Volume 2, Chapter 4: The True Strength of the Seventh of the Seven. The Third Friday of March.

Tian Han was a young boy who admired immortals. His dream had always been to become like them—flying on swords, using spells. But he was just an ordinary village boy, and he didn't have much of a chance for that. So, he always read books about immortals, and his admiration for them grew more and more every day. One day, he heard that he had a chance to become an immortal.“You can become immortal.”This was the sentence where his adventure began. Yes, he could become an immortal. And so, his journey started, and he found himself in the ruthless world of immortals.

This novel is also known as Deep Ocean Survival: A Submarine From The Start

The whole people traveled through, and everyone was trapped in the ocean abyss two thousand meters below the alien ice layer!

There is only one basic pioneer ship at the start!

Food, oxygen, water pressure…
Unpredictable seabed turbulence…
The powerful and terrifying Abyss Siren…
Evil and mysterious parasitic flora…

With all kinds of potential threats that follow everywhere, this road to survival is doomed to be extremely difficult!

However, when everyone was desperate for the hardships of survival, Meng Lei was calm and composed.

Because he found that he could actually see the system prompt!

“At a distance of 500 meters, a shipwreck of an alien pioneer was found, and the supplies inside are enough to make you rich!”

“At a distance of 1200 meters, I found a doomsday worm, rush up and kill it, and you will become the brightest cub wandering in the dark abyss!”

“The distance is 4,500 meters, and the ruins of an alien civilization are found. The danger level is SSS! Why are you standing still, turn around and run!”

- Description from novelbuddy

In fact, Ling Yun was the son of a wealthy businessman. But one day, his mother finds out that her husband is having an affair with his secretary. And after that she decided to divorce her husband, but at that time she did not realize that she was pregnant with Ling Yun.

After learning about her pregnancy, she decided to move to another city. And since then, their lives have been up and down. Because of the economic crush, and also his mother's health was getting worse.

He decided to take the 'Dark' path, which led him to near death. But just as Ling Yun was nearing his end, he heard a little girl's voice asking him.

“Do you want to live?”

Betrayed. Alone. Forced to survive the deadliest dungeon in the universe. As a Tulland dreamed of adventure. To be someone who sees every-place, goes every-where, and does every-thing. All he wanted was to go beyond the confines of his tiny island. So, when the Church denied him a class, he turned to the only other being that could grant him his wish; The System. And the System delivered. Tulland got Class, but not one he ever wished for. Awakening as a Farmer, he finds himself in the one place where he can grow away from the clutches of the Church — The Infinite; a dungeon whose end even heroes of old have never seen. Armed with what dregs of power the System deigned to give him, Tulland will have to figure out how to survive, and cultivate, the universe’s deadliest dungeon. Expect: + Progression fantasy with actual farming! + A very stubborn MC + Combat! Action! Plants!